 /*
* jQuery UI selectmenu dev version
*
* Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI
* https://github.com/fnagel/jquery-ui/wiki/Selectmenu
*/

(function($jqPm) {

$jqPm.widget("ui.selectmenu", {
getter: "value",
version: "1.8",
eventPrefix: "selectmenu",
options: {
transferClasses: true,
typeAhead: "sequential",
style: 'dropdown',
positionOptions: {
my: "left top",
at: "left bottom",
offset: null
},
width: null,
menuWidth: null,
handleWidth: 26,
maxHeight: null,
icons: null,
format: null,
bgImage: function() {},
wrapperElement: "<div />"
},

_create: function() {
var self = this, o = this.options;

// set a default id value, generate a new random one if not set by developer
var selectmenuId = (this.element.attr( 'id' ) || 'ui-selectmenu-' + Math.random().toString( 16 ).slice( 2, 10 )).replace(':', '\\:');

// quick array of button and menu id's
this.ids = [ selectmenuId, selectmenuId + '-button', selectmenuId + '-menu' ];

// define safe mouseup for future toggling
this._safemouseup = true;
this.isOpen = false;

// create menu button wrapper
this.newelement = $jqPm( '<a />', {
'class': this.widgetBaseClass + ' ui-widget ui-state-default ui-corner-all',
'id' : this.ids[ 1 ],
'role': 'button',
'href': '#nogo',
'tabindex': this.element.attr( 'disabled' ) ? 1 : 0,
'aria-haspopup': true,
'aria-owns': this.ids[ 2 ]
});
this.newelementWrap = $jqPm( o.wrapperElement )
.append( this.newelement )
.insertAfter( this.element );

// transfer tabindex
var tabindex = this.element.attr( 'tabindex' );
if ( tabindex ) {
this.newelement.attr( 'tabindex', tabindex );
}

// save reference to select in data for ease in calling methods
this.newelement.data( 'selectelement', this.element );

// menu icon
this.selectmenuIcon = $jqPm( '<span class="' + this.widgetBaseClass + '-icon ui-icon"></span>' )
.prependTo( this.newelement );

// append status span to button
this.newelement.prepend( '<span class="' + self.widgetBaseClass + '-status" />' );

// make associated form label trigger focus
this.element.bind({
'click.selectmenu': function( event ) {
self.newelement.focus();
event.preventDefault();
}
});

// click toggle for menu visibility
this.newelement
.bind('mousedown.selectmenu', function(event) {
self._toggle(event, true);
// make sure a click won't open/close instantly
if (o.style == "popup") {
self._safemouseup = false;
setTimeout(function() { self._safemouseup = true; }, 300);
}
return false;
})
.bind('click.selectmenu', function() {
return false;
})
.bind("keydown.selectmenu", function(event) {
var ret = false;
switch (event.keyCode) {
case $jqPm.ui.keyCode.ENTER:
ret = true;
break;
case $jqPm.ui.keyCode.SPACE:
self._toggle(event);
break;
case $jqPm.ui.keyCode.UP:
if (event.altKey) {
self.open(event);
} else {
self._moveSelection(-1);
}
break;
case $jqPm.ui.keyCode.DOWN:
if (event.altKey) {
self.open(event);
} else {
self._moveSelection(1);
}
break;
case $jqPm.ui.keyCode.LEFT:
self._moveSelection(-1);
break;
case $jqPm.ui.keyCode.RIGHT:
self._moveSelection(1);
break;
case $jqPm.ui.keyCode.TAB:
ret = true;
break;
default:
ret = true;
}
return ret;
})
.bind('keypress.selectmenu', function(event) {
self._typeAhead(event.which, 'mouseup');
return true;
})
.bind('mouseover.selectmenu focus.selectmenu', function() {
if (!o.disabled) {
$jqPm(this).addClass(self.widgetBaseClass + '-focus ui-state-hover');
}
})
.bind('mouseout.selectmenu blur.selectmenu', function() {
if (!o.disabled) {
$jqPm(this).removeClass(self.widgetBaseClass + '-focus ui-state-hover');
}
});

// document click closes menu
$jqPm(document).bind("mousedown.selectmenu-" + this.ids[0], function(event) {
if ( self.isOpen ) {
self.close( event );
}
});

// change event on original selectmenu
this.element
.bind("click.selectmenu", function() {
self._refreshValue();
})
// FIXME: newelement can be null under unclear circumstances in IE8
// TODO not sure if this is still a problem (fnagel 20.03.11)
.bind("focus.selectmenu", function() {
if (self.newelement) {
self.newelement[0].focus();
}
});

// set width when not set via options
if (!o.width) {
o.width = this.element.outerWidth();
}
// set menu button width
this.newelement.width(o.width);

// hide original selectmenu element
this.element.hide();

// create menu portion, append to body
this.list = $jqPm( '<ul />', {
'class': 'ui-widget ui-widget-content',
'aria-hidden': true,
'role': 'listbox',
'aria-labelledby': this.ids[1],
'id': this.ids[2]
});
this.listWrap = $jqPm( o.wrapperElement )
.addClass( self.widgetBaseClass + '-menu' )
.append( this.list )
.appendTo( 'body' );

// transfer menu click to menu button
this.list
.bind("keydown.selectmenu", function(event) {
var ret = false;
switch (event.keyCode) {
case $jqPm.ui.keyCode.UP:
if (event.altKey) {
self.close(event, true);
} else {
self._moveFocus(-1);
}
break;
case $jqPm.ui.keyCode.DOWN:
if (event.altKey) {
self.close(event, true);
} else {
self._moveFocus(1);
}
break;
case $jqPm.ui.keyCode.LEFT:
self._moveFocus(-1);
break;
case $jqPm.ui.keyCode.RIGHT:
self._moveFocus(1);
break;
case $jqPm.ui.keyCode.HOME:
self._moveFocus(':first');
break;
case $jqPm.ui.keyCode.PAGE_UP:
self._scrollPage('up');
break;
case $jqPm.ui.keyCode.PAGE_DOWN:
self._scrollPage('down');
break;
case $jqPm.ui.keyCode.END:
self._moveFocus(':last');
break;
case $jqPm.ui.keyCode.ENTER:
case $jqPm.ui.keyCode.SPACE:
self.close(event, true);
$jqPm(event.target).parents('li:eq(0)').trigger('mouseup');
break;
case $jqPm.ui.keyCode.TAB:
ret = true;
self.close(event, true);
$jqPm(event.target).parents('li:eq(0)').trigger('mouseup');
break;
case $jqPm.ui.keyCode.ESCAPE:
self.close(event, true);
break;
default:
ret = true;
}
return ret;
})
.bind('keypress.selectmenu', function(event) {
self._typeAhead(event.which, 'focus');
return true;
})
// this allows for using the scrollbar in an overflowed list
.bind( 'mousedown.selectmenu mouseup.selectmenu', function() { return false; });

// needed when window is resized
$jqPm(window).bind( "resize.selectmenu-" + this.ids[0], $jqPm.proxy( self.close, this ) );
},

_init: function() {
var self = this, o = this.options;

// serialize selectmenu element options
var selectOptionData = [];
this.element
.find('option')
.each(function() {
var opt = $jqPm(this);
selectOptionData.push({
value: opt.attr('value'),
text: self._formatText(opt.text()),
selected: opt.attr('selected'),
disabled: opt.attr('disabled'),
classes: opt.attr('class'),
typeahead: opt.attr('typeahead'),
parentOptGroup: opt.parent('optgroup'),
bgImage: o.bgImage.call(opt)
});
});

// active state class is only used in popup style
var activeClass = (self.options.style == "popup") ? " ui-state-active" : "";

// empty list so we can refresh the selectmenu via selectmenu()
this.list.html("");

// write li's
if (selectOptionData.length) {
for (var i = 0; i < selectOptionData.length; i++) {
var thisLiAttr = { role : 'presentation' };
if ( selectOptionData[ i ].disabled ) {
thisLiAttr[ 'class' ] = this.namespace + '-state-disabled';
}
var thisAAttr = {
html: selectOptionData[i].text,
href : '#nogo',
tabindex : -1,
role : 'option',
'aria-selected' : false
};
if ( selectOptionData[ i ].disabled ) {
thisAAttr[ 'aria-disabled' ] = selectOptionData[ i ].disabled;
}
if ( selectOptionData[ i ].typeahead ) {
thisAAttr[ 'typeahead' ] = selectOptionData[ i ].typeahead;
}
var thisA = $jqPm('<a/>', thisAAttr);
var thisLi = $jqPm('<li/>', thisLiAttr)
.append(thisA)
.data('index', i)
.addClass(selectOptionData[i].classes)
.data('optionClasses', selectOptionData[i].classes || '')
.bind("mouseup.selectmenu", function(event) {
if (self._safemouseup && !self._disabled(event.currentTarget) && !self._disabled($jqPm( event.currentTarget ).parents( "ul>li." + self.widgetBaseClass + "-group " )) ) {
var changed = $jqPm(this).data('index') != self._selectedIndex();
self.index($jqPm(this).data('index'));
self.select(event);
if (changed) {
self.change(event);
}
self.close(event, true);
}
return false;
})
.bind("click.selectmenu", function() {
return false;
})
.bind('mouseover.selectmenu focus.selectmenu', function(e) {
// no hover if diabled
if (!$jqPm(e.currentTarget).hasClass(self.namespace + '-state-disabled') && !$jqPm(e.currentTarget).parent("ul").parent("li").hasClass(self.namespace + '-state-disabled')) {
self._selectedOptionLi().addClass(activeClass);
self._focusedOptionLi().removeClass(self.widgetBaseClass + '-item-focus ui-state-hover');
$jqPm(this).removeClass('ui-state-active').addClass(self.widgetBaseClass + '-item-focus ui-state-hover');
}
})
.bind('mouseout.selectmenu blur.selectmenu', function() {
if ($jqPm(this).is(self._selectedOptionLi().selector)) {
$jqPm(this).addClass(activeClass);
}
$jqPm(this).removeClass(self.widgetBaseClass + '-item-focus ui-state-hover');
});

// optgroup or not...
if ( selectOptionData[i].parentOptGroup.length ) {
var optGroupName = self.widgetBaseClass + '-group-' + this.element.find( 'optgroup' ).index( selectOptionData[i].parentOptGroup );
if (this.list.find( 'li.' + optGroupName ).length ) {
this.list.find( 'li.' + optGroupName + ':last ul' ).append( thisLi );
} else {
$jqPm(' <li role="presentation" class="' + self.widgetBaseClass + '-group ' + optGroupName + (selectOptionData[i].parentOptGroup.attr("disabled") ? ' ' + this.namespace + '-state-disabled" aria-disabled="true"' : '"' ) + '><span class="' + self.widgetBaseClass + '-group-label">' + selectOptionData[i].parentOptGroup.attr('label') + '</span><ul></ul></li> ')
.appendTo( this.list )
.find( 'ul' )
.append( thisLi );
}
} else {
thisLi.appendTo(this.list);
}

// append icon if option is specified
if (o.icons) {
for (var j in o.icons) {
if (thisLi.is(o.icons[j].find)) {
thisLi
.data('optionClasses', selectOptionData[i].classes + ' ' + self.widgetBaseClass + '-hasIcon')
.addClass(self.widgetBaseClass + '-hasIcon');
var iconClass = o.icons[j].icon || "";
thisLi
.find('a:eq(0)')
.prepend('<span class="' + self.widgetBaseClass + '-item-icon ui-icon ' + iconClass + '"></span>');
if (selectOptionData[i].bgImage) {
thisLi.find('span').css('background-image', selectOptionData[i].bgImage);
}
}
}
}
}
} else {
$jqPm('<li role="presentation"><a href="#nogo" tabindex="-1" role="option"></a></li>').appendTo(this.list);
}
// we need to set and unset the CSS classes for dropdown and popup style
var isDropDown = ( o.style == 'dropdown' );
this.newelement
.toggleClass( self.widgetBaseClass + '-dropdown', isDropDown )
.toggleClass( self.widgetBaseClass + '-popup', !isDropDown );
this.list
.toggleClass( self.widgetBaseClass + '-menu-dropdown ui-corner-bottom', isDropDown )
.toggleClass( self.widgetBaseClass + '-menu-popup ui-corner-all', !isDropDown )
// add corners to top and bottom menu items
.find( 'li:first' )
.toggleClass( 'ui-corner-top', !isDropDown )
.end().find( 'li:last' )
.addClass( 'ui-corner-bottom' );
this.selectmenuIcon
.toggleClass( 'ui-icon-triangle-1-s', isDropDown )
.toggleClass( 'ui-icon-triangle-2-n-s', !isDropDown );

// transfer classes to selectmenu and list
if ( o.transferClasses ) {
var transferClasses = this.element.attr( 'class' ) || '';
this.newelement.add( this.list ).addClass( transferClasses );
}

// set menu width to either menuWidth option value, width option value, or select width
if ( o.style == 'dropdown' ) {
this.list.width( o.menuWidth ? o.menuWidth : o.width );
} else {
this.list.width( o.menuWidth ? o.menuWidth : o.width - o.handleWidth );
}

// reset height to auto
this.list.css( 'height', 'auto' );
var listH = this.listWrap.height();
// calculate default max height
if ( o.maxHeight && o.maxHeight < listH ) {
this.list.height( o.maxHeight );
} else {
var winH = $jqPm( window ).height() / 3;
if ( winH < listH ) this.list.height( winH );
}

// save reference to actionable li's (not group label li's)
this._optionLis = this.list.find( 'li:not(.' + self.widgetBaseClass + '-group)' );

// transfer disabled state
if ( this.element.attr( 'disabled' ) ) {
this.disable();
} else {
this.enable()
}

// update value
this.index( this._selectedIndex() );

// needed when selectmenu is placed at the very bottom / top of the page
window.setTimeout( function() {
self._refreshPosition();
}, 200 );
},

destroy: function() {
this.element.removeData( this.widgetName )
.removeClass( this.widgetBaseClass + '-disabled' + ' ' + this.namespace + '-state-disabled' )
.removeAttr( 'aria-disabled' )
.unbind( ".selectmenu" );

$jqPm( window ).unbind( ".selectmenu-" + this.ids[0] );
$jqPm( document ).unbind( ".selectmenu-" + this.ids[0] );

this.newelementWrap.remove();
this.listWrap.remove();

// unbind click event and show original select
this.element
.unbind(".selectmenu")
.show();

// call widget destroy function
$jqPm.Widget.prototype.destroy.apply(this, arguments);
},

_typeAhead: function( code, eventType ){
var self = this, focusFound = false, C = String.fromCharCode(code).toUpperCase();
c = C.toLowerCase();

if ( self.options.typeAhead == 'sequential' ) {
// clear the timeout so we can use _prevChar
window.clearTimeout('ui.selectmenu-' + self.selectmenuId);

// define our find var
var find = typeof( self._prevChar ) == 'undefined' ? '' : self._prevChar.join( '' );

function focusOptSeq( elem, ind, c ){
focusFound = true;
$jqPm( elem ).trigger( eventType );
typeof( self._prevChar ) == 'undefined' ? self._prevChar = [ c ] : self._prevChar[ self._prevChar.length ] = c;
}
this.list.find( 'li a' ).each( function( i ) {
if ( !focusFound ) {
// allow the typeahead attribute on the option tag for a more specific lookup
var thisText = $jqPm( this ).attr( 'typeahead' ) || $jqPm(this).text();
if ( thisText.indexOf( find + C ) === 0 ) {
focusOptSeq( this, i, C );
} else if (thisText.indexOf(find+c) === 0 ) {
focusOptSeq( this, i, c );
}
}
});
// set a 1 second timeout for sequenctial typeahead
// keep this set even if we have no matches so it doesnt typeahead somewhere else
window.setTimeout( function( el ) {
self._prevChar = undefined;
}, 1000, self );

} else {
// define self._prevChar if needed
if ( !self._prevChar ) { self._prevChar = [ '' , 0 ]; }

focusFound = false;
function focusOpt( elem, ind ){
focusFound = true;
$jqPm( elem ).trigger( eventType );
self._prevChar[ 1 ] = ind;
}
this.list.find( 'li a' ).each(function( i ){
if (!focusFound){
var thisText = $jqPm(this).text();
if ( thisText.indexOf( C ) === 0 || thisText.indexOf( c ) === 0 ) {
if (self._prevChar[0] == C){
if ( self._prevChar[ 1 ] < i ){ focusOpt( this, i ); }
} else{
focusOpt( this, i );
}
}
}
});
this._prevChar[ 0 ] = C;
}
},

// returns some usefull information, called by callbacks only
_uiHash: function() {
var index = this.index();
return {
index: index,
option: $jqPm("option", this.element).get(index),
value: this.element[0].value
};
},

open: function(event) {
var self = this, o = this.options;
if ( self.newelement.attr("aria-disabled") != 'true' ) {
self._closeOthers(event);
self.newelement.addClass('ui-state-active');

self.listWrap.appendTo( o.appendTo );
self.list.attr('aria-hidden', false);
self.listWrap.addClass( self.widgetBaseClass + '-open' );

var selected = this._selectedOptionLi();
if ( o.style == "dropdown" ) {
self.newelement.removeClass('ui-corner-all').addClass('ui-corner-top');
} else {
// center overflow and avoid flickering
this.list
.css("left", -5000)
.scrollTop( this.list.scrollTop() + selected.position().top - this.list.outerHeight()/2 + selected.outerHeight()/2 )
.css("left","auto");
}

self._refreshPosition();

var link = selected.find("a");
if (link.length) link[0].focus();

self.isOpen = true;
self._trigger("open", event, self._uiHash());
}
},

close: function(event, retainFocus) {
if ( this.newelement.is('.ui-state-active') ) {
this.newelement
.removeClass('ui-state-active');
this.listWrap.removeClass(this.widgetBaseClass + '-open');
this.list.attr('aria-hidden', true);
if ( this.options.style == "dropdown" ) {
this.newelement.removeClass('ui-corner-top').addClass('ui-corner-all');
}
if ( retainFocus ) {
this.newelement.focus();
}
this.isOpen = false;
this._trigger("close", event, this._uiHash());
}
},

change: function(event) {
this.element.trigger("change");
this._trigger("change", event, this._uiHash());
},

select: function(event) {
if (this._disabled(event.currentTarget)) { return false; }
this._trigger("select", event, this._uiHash());
},

_closeOthers: function(event) {
$jqPm('.' + this.widgetBaseClass + '.ui-state-active').not(this.newelement).each(function() {
$jqPm(this).data('selectelement').selectmenu('close', event);
});
$jqPm('.' + this.widgetBaseClass + '.ui-state-hover').trigger('mouseout');
},

_toggle: function(event, retainFocus) {
if ( this.isOpen ) {
this.close(event, retainFocus);
} else {
this.open(event);
}
},

_formatText: function(text) {
return (this.options.format ? this.options.format(text) : text);
},

_selectedIndex: function() {
return this.element[0].selectedIndex;
},

_selectedOptionLi: function() {
return this._optionLis.eq(this._selectedIndex());
},

_focusedOptionLi: function() {
return this.list.find('.' + this.widgetBaseClass + '-item-focus');
},

_moveSelection: function(amt, recIndex) {
// do nothing if disabled
if (!this.options.disabled) {
var currIndex = parseInt(this._selectedOptionLi().data('index') || 0, 10);
var newIndex = currIndex + amt;
// do not loop when using up key

if (newIndex < 0) {
newIndex = 0;
}
if (newIndex > this._optionLis.size() - 1) {
newIndex = this._optionLis.size() - 1;
}
// Occurs when a full loop has been made
if (newIndex === recIndex) { return false; }

if (this._optionLis.eq(newIndex).hasClass( this.namespace + '-state-disabled' )) {
// if option at newIndex is disabled, call _moveFocus, incrementing amt by one
(amt > 0) ? ++amt : --amt;
this._moveSelection(amt, newIndex);
} else {
return this._optionLis.eq(newIndex).trigger('mouseup');
}
}
},

_moveFocus: function(amt, recIndex) {
if (!isNaN(amt)) {
var currIndex = parseInt(this._focusedOptionLi().data('index') || 0, 10);
var newIndex = currIndex + amt;
} else {
var newIndex = parseInt(this._optionLis.filter(amt).data('index'), 10);
}

if (newIndex < 0) {
newIndex = 0;
}
if (newIndex > this._optionLis.size() - 1) {
newIndex = this._optionLis.size() - 1;
}

//Occurs when a full loop has been made
if (newIndex === recIndex) { return false; }

var activeID = this.widgetBaseClass + '-item-' + Math.round(Math.random() * 1000);

this._focusedOptionLi().find('a:eq(0)').attr('id', '');

if (this._optionLis.eq(newIndex).hasClass( this.namespace + '-state-disabled' )) {
// if option at newIndex is disabled, call _moveFocus, incrementing amt by one
(amt > 0) ? ++amt : --amt;
this._moveFocus(amt, newIndex);
} else {
this._optionLis.eq(newIndex).find('a:eq(0)').attr('id',activeID).focus();
}

this.list.attr('aria-activedescendant', activeID);
},

_scrollPage: function(direction) {
var numPerPage = Math.floor(this.list.outerHeight() / this.list.find('li:first').outerHeight());
numPerPage = (direction == 'up' ? -numPerPage : numPerPage);
this._moveFocus(numPerPage);
},

_setOption: function(key, value) {
this.options[key] = value;
// set
if (key == 'disabled') {
if (value) this.close();
this.element
.add(this.newelement)
.add(this.list)[value ? 'addClass' : 'removeClass'](
this.widgetBaseClass + '-disabled' + ' ' +
this.namespace + '-state-disabled')
.attr("aria-disabled", value);
}
},

disable: function(index, type){
// if options is not provided, call the parents disable function
if ( typeof( index ) == 'undefined' ) {
this._setOption( 'disabled', true );
} else {
if ( type == "optgroup" ) {
this._disableOptgroup(index);
} else {
this._disableOption(index);
}
}
},

enable: function(index, type) {
// if options is not provided, call the parents enable function
if ( typeof( index ) == 'undefined' ) {
this._setOption('disabled', false);
} else {
if ( type == "optgroup" ) {
this._enableOptgroup(index);
} else {
this._enableOption(index);
}
}
},

_disabled: function(elem) {
return $jqPm(elem).hasClass( this.namespace + '-state-disabled' );
},


_disableOption: function(index) {
var optionElem = this._optionLis.eq(index);
if (optionElem) {
optionElem.addClass(this.namespace + '-state-disabled')
.find("a").attr("aria-disabled", true);
this.element.find("option").eq(index).attr("disabled", "disabled");
}
},

_enableOption: function(index) {
var optionElem = this._optionLis.eq(index);
if (optionElem) {
optionElem.removeClass( this.namespace + '-state-disabled' )
.find("a").attr("aria-disabled", false);
this.element.find("option").eq(index).removeAttr("disabled");
}
},

_disableOptgroup: function(index) {
var optGroupElem = this.list.find( 'li.' + this.widgetBaseClass + '-group-' + index );
if (optGroupElem) {
optGroupElem.addClass(this.namespace + '-state-disabled')
.attr("aria-disabled", true);
this.element.find("optgroup").eq(index).attr("disabled", "disabled");
}
},

_enableOptgroup: function(index) {
var optGroupElem = this.list.find( 'li.' + this.widgetBaseClass + '-group-' + index );
if (optGroupElem) {
optGroupElem.removeClass(this.namespace + '-state-disabled')
.attr("aria-disabled", false);
this.element.find("optgroup").eq(index).removeAttr("disabled");
}
},

index: function(newValue) {
if (arguments.length) {
if (!this._disabled($jqPm(this._optionLis[newValue]))) {
this.element[0].selectedIndex = newValue;
this._refreshValue();
} else {
return false;
}
} else {
return this._selectedIndex();
}
},

value: function(newValue) {
if (arguments.length) {
this.element[0].value = newValue;
this._refreshValue();
} else {
return this.element[0].value;
}
},

_refreshValue: function() {
var activeClass = (this.options.style == "popup") ? " ui-state-active" : "";
var activeID = this.widgetBaseClass + '-item-' + Math.round(Math.random() * 1000);
// deselect previous
this.list
.find('.' + this.widgetBaseClass + '-item-selected')
.removeClass(this.widgetBaseClass + "-item-selected" + activeClass)
.find('a')
.attr('aria-selected', 'false')
.attr('id', '');
// select new
this._selectedOptionLi()
.addClass(this.widgetBaseClass + "-item-selected" + activeClass)
.find('a')
.attr('aria-selected', 'true')
.attr('id', activeID);

// toggle any class brought in from option
var currentOptionClasses = (this.newelement.data('optionClasses') ? this.newelement.data('optionClasses') : "");
var newOptionClasses = (this._selectedOptionLi().data('optionClasses') ? this._selectedOptionLi().data('optionClasses') : "");
this.newelement
.removeClass(currentOptionClasses)
.data('optionClasses', newOptionClasses)
.addClass( newOptionClasses )
.find('.' + this.widgetBaseClass + '-status')
.html(
this._selectedOptionLi()
.find('a:eq(0)')
.html()
);

this.list.attr('aria-activedescendant', activeID);
},

_refreshPosition: function() {
var o = this.options;

// if its a pop-up we need to calculate the position of the selected li
if ( o.style == "popup" && !o.positionOptions.offset ) {
var selected = this._selectedOptionLi();
var _offset = "0 " + ( this.list.offset().top - selected.offset().top - ( this.newelement.outerHeight() + selected.outerHeight() ) / 2);
}
// update zIndex if jQuery UI is able to process
this.listWrap
.zIndex( this.element.zIndex() + 1 )
.position({
// set options for position plugin
of: o.positionOptions.of || this.newelement,
my: o.positionOptions.my,
at: o.positionOptions.at,
offset: o.positionOptions.offset || _offset,
collision: o.positionOptions.collision || 'flip'
});
}
});

})($jqPm);

